Revise Acids and Bases
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What taste do acids generally have? | Sour.
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| Write the formula for hydrochloric acid and sulphuric acid | Hydrochloric Acid: HCL
Sulphuric Acid: H2SO4
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| What is the pH range for acids? | From 0 to 7 with 0 being the strongest acid.
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| What is the pH range for bases? | From 7 to 14 with 14 being the strongest base.
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| What is the pH of a neutral substance? | 7.
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| What is an indicator? | An indicator is something we use to show if a substance is an acid or base visually.
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| What colour does litmus paper turn in an acid? | From blue to red.
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| What colour does litmus paper turn in a base? | From red to blue.
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| What is the pH scale and how do you use it? | The pH scale is used to show the strength of an acid or base. The lower the scale the more acidic something is, the higher the scale the more basic it is.
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| State the names and chemical formula for sulphuric acid, hydrochloric acid, Sodium hydroxide and calcium hydroxide | Sulphuric acid: H2SO4
Hydrochloric acid: HCL
Sodium hydroxide: NaOH
Calcium hydroxide: Ca2
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| Identify the following compounds as acids or bases, H2SO4, HCL, NaOH, Ca2. | H2SO4: Acid
HCL: Acid
NaOH: Base
Ca2: Base
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| Describe what happens when an acid reacts with a base. | They neutralise each other to form water and salt.
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| What is the reaction between an acid and a base called? | Neutralisation.
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| What is produced when an acid is neutralised by a base? | Water and a salt.
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| What is a titration? | A titration is performed to work out the strengths of the acid or base used.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
SC Dave
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